Home / 3,759.60-5,639.31-1,568.46

Finding the Fourth Proportional to 3,759.60, 5,639.31 and 1,568.46

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Solution

The fourth proportional to 3,759.60, 5,639.31 and 1,568.46 is: 2,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.60 : 5,639.31 = 1,568.46 : x
  2. Step 2: Convert to fraction form
    3,759.60/5,639.31 = 1,568.46/x
  3. Step 3: Cross multiply
    3,759.60x = 5,639.31 × 1,568.46
  4. Step 4: Simplify right side
    3,759.60x = 8,845,032.16
  5. Step 5: Solve for x
    x = 8,845,032.16/3,759.60
  6. Step 6: Final answer
    x = 2,352.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.